NTC thermistors for
temperature measurement
SMD NTC thermistors,
EIA case size 0402 (1005), automotive series
Series/Type:
Date:
B572**V5
January 2018
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information contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Temperature measurement and compensation
SMD NTC thermistors, case size 0402 (1005)
B572**V5
Automotive series
Applications
Temperature measurement and
compensation
Features
Qualification based on AEC-Q200 Rev-D
Multilayer SMD NTC with inner electrodes
Nickel barrier termination
For temperature measurement up to 150
°C
Excellent long-term aging stability in high
temperature and high humidity environment
High mechanical robustness
Short response time
100% Pb free
UL approval (E69802)
Options
Alternative resistance ratings, resistance
tolerances and B value tolerances available
on request.
Delivery mode
Cardboard tape, 180-mm reel
General technical data
Operating temperature range
Max. power
Resistance tolerance
Rated temperature
Dissipation factor
Thermal cooling time constant
Heat capacity
Dimensional drawing
Dimensions in mm
Approx. weight 2 mg
T
op
(at 25
°C,
on PCB) P
251)
∆R
R
/R
R
T
R
(on PCB)
δ
th1)
(on PCB)
τ
c1)
C
th1)
40 ... 150
150
±1, ±3, ±5
25
approx. 2.5
approx. 3
approx. 7.5
°C
mW
%
°C
mW/K
s
mJ/K
1) Depends on mounting situation
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 28
Temperature measurement and compensation
SMD NTC thermistors, case size 0402 (1005)
B572**V5
Automotive series
Electrical specification and ordering codes
R
Ω
4.7 k
10 k
10 k
47 k
100 k
∆R
R
/R
R
%
±5
±1, ±3, ±5
±5
±1, ±3, ±5
±1, ±3, ±5
No. of R/T
characteristic
8502
8509
8502
8551
8552
B
25/50
K
3940
3380
3940
4050
4250
B
25/85
K
3980
3435
3980
4108
4311
B
25/100
K
4000
±3%
3455
±1%
4000
±3%
4131
±1%
4334
±1%
Ordering code
B57251V5472J060
B57232V5103+360
B57251V5103J060
B57256V5473+360
B57254V5104+360
+ = Resistance tolerance
F =
±1%
H =
±3%
J =
±5%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 28
Temperature measurement and compensation
SMD NTC thermistors, case size 0402 (1005)
B572**V5
Automotive series
Reliability data
Tests of SMD NTC thermistors are based on AEC-Q200 Rev-D. The parts are mounted on
standardized PCB.
Test
Standard
Test conditions
∆R
25
/R
25
(typical) /
Remarks
Pre- and post-stress
electrical test
High temperature
exposure
(storage)
Resistance at: 25
°C
and 100
°C
MIL-STD-202,
method 108
Test temperature: 150
°C
Duration: 1000 h
Unpowered
Except
B57232V5103+360
B57256V5473+360
B57254V5104+360
Lower test temperature: 40
°C
Upper test temperature: 150
°C
Number of cycles: 1000
Transfer time: < 10 s
Dwell time: 15 min
Air Air
Test temperature: 85
°C
Rel. humidity of air: 85%
Duration: 1000 h
Test voltage: V
NTC
= 0.3 V DC
Test temperature: 150
°C
P
max
= 0.35 mW
Duration: 1000 h
Visual inspection
Measured with calipers
< 5%
Temperature cycling
JESD22,
method JA-104
< 1%
< 1%
< 2%
< 5%
Biased humidity
MIL-STD-202,
method 103
< 5%
Operational life
MIL-STD-202,
method 108
MIL-STD-883E,
method 2009
JESD22,
method JB-100
MIL-STD-202,
method 215
MIL-STD-202,
method 213
< 5%
External visual
Physical dimensions
Within the
specified
values
Resistance to
solvents
Mechanical shock
Not applicable for SMD thermistors
(component has no marking, color coding
or coating)
Peak value: 1500
g
Half sine
Condition F
< 5%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 28
Temperature measurement and compensation
SMD NTC thermistors, case size 0402 (1005)
B572**V5
Automotive series
Test
Standard
Test conditions
Vibration
MIL-STD-202,
method 204
Resistance to
soldering heat
MIL-STD-202,
method 210
ESD
AEC-Q200-002,
method -002
Solderability
J-STD-002
Electrical
characterization
Flammability
UL-94,
V-0 or V-1
AEC-Q200-005,
method -005
AEC-Q200-006,
method -006
Acceleration: 5
g
Sweep time: 20 min
Frequency range: 10 ... 2000 Hz
3
×
12 cycles
Dip: 260
°C;
10 s
1 heat cycle
Except
B57232V5103+360
B57254V5104+360
B57256V5473+360
Discharge capacitance: 150 pF
Discharge resistance: 2 kΩ
Charging voltage: 6 kV
Contact discharge
2 pulses in each polarity
a) Dip: 235
°C;
5 s:
aging 4 h @ 155
°C
b) Dip: 215
°C;
5 s:
steam aging 8 h @ 92
°C
c) Dip: 260
°C;
7 s:
steam aging 8 h @ 92
°C
R(25
°C),
R(100
°C),
B(25/100)
∆R
25
/R
25
(typical) /
Remarks
< 1%
< 3%
< 1%
< 1%
< 1%
< 5%
95% of
termination
wetted
Within the
specified
values
Board flex
Terminal strength
Resistance drift
after soldering
Not applicable for SMD thermistors
(component is not coated or encapsulated
with plastic materials)
Max. bending: 1 mm
Duration @ max. bending: 60 s
Max. F: 5 N
Reflow soldering profile
Wave soldering profile
< 2%
< 2%
< 1%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 28
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